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# DP: PR target/44364:
# DP: This patch made it into trunk. Not on the 4.4 branch
# DP: because not proved that it is a regression since 4.3.

Index: gcc/caller-save.c
===================================================================
--- a/src/gcc/caller-save.c	(revision 160245)
+++ b/src/gcc/caller-save.c	(working copy)
@@ -1080,7 +1080,7 @@ insert_restore (struct insn_chain *chain
       /* Check that insn to restore REGNO in save_mode[regno] is
 	 correct.  */
       && reg_save_code (regno, save_mode[regno]) >= 0)
-    mem = adjust_address (mem, save_mode[regno], 0);
+    mem = adjust_address_nv (mem, save_mode[regno], 0);
   else
     mem = copy_rtx (mem);
 
@@ -1161,7 +1161,7 @@ insert_save (struct insn_chain *chain, i
       /* Check that insn to save REGNO in save_mode[regno] is
 	 correct.  */
       && reg_save_code (regno, save_mode[regno]) >= 0)
-    mem = adjust_address (mem, save_mode[regno], 0);
+    mem = adjust_address_nv (mem, save_mode[regno], 0);
   else
     mem = copy_rtx (mem);
 
Index: gcc/config/rs6000/e500.h
===================================================================
--- a/src/gcc/config/rs6000/e500.h	(revision 160245)
+++ b/src/gcc/config/rs6000/e500.h	(working copy)
@@ -43,3 +43,10 @@
 	  error ("E500 and FPRs not supported");			\
       }									\
   } while (0)
+
+/* When setting up caller-save slots (MODE == VOIDmode) ensure we
+   allocate space for DFmode.  Save gprs in the correct mode too.  */
+#define HARD_REGNO_CALLER_SAVE_MODE(REGNO, NREGS, MODE) \
+  (TARGET_E500_DOUBLE && ((MODE) == VOIDmode || (MODE) == DFmode)	\
+   ? DFmode								\
+   : choose_hard_reg_mode ((REGNO), (NREGS), false))